class_docstr: An testcase widget.
class_docstr_tok: ["An","testcase","widget","."]
code: def fetch_example(self):
      if self.to_slice_idx >= len(self.candidate_testcases):
          self.testcases = []
      else:
          new_examples = self.candidate_testcases[
              self.to_slice_idx : self.to_slice_idx + self.max_return
          ]
          self.to_slice_idx += len(new_examples)
          self.testcases = [e for e in new_examples]
  
file_path: checklist/checklist/viewer/test_summarizer.py
imports: import ipywidgets
  from traitlets import Unicode, List, Dict
  import os
  import typing
  from spacy.lang.en import English
  from copy import deepcopy
label_desc: Use image node_id 10 for calling the TestSummarizer obj's underlying member method code with example usage: obj.fetch_example() without return types